WO2019183903A1 - Procédé d'émission de données et dispositif terminal - Google Patents

Procédé d'émission de données et dispositif terminal Download PDF

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Publication number
WO2019183903A1
WO2019183903A1 PCT/CN2018/081182 CN2018081182W WO2019183903A1 WO 2019183903 A1 WO2019183903 A1 WO 2019183903A1 CN 2018081182 W CN2018081182 W CN 2018081182W WO 2019183903 A1 WO2019183903 A1 WO 2019183903A1
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WIPO (PCT)
Prior art keywords
information
service
terminal device
data
address
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2018/081182
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English (en)
Chinese (zh)
Inventor
刘建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2018/081182 priority Critical patent/WO2019183903A1/fr
Priority to ES18911661T priority patent/ES2914365T3/es
Priority to PH1/2020/551220A priority patent/PH12020551220A1/en
Priority to EP22156932.0A priority patent/EP4021081B1/fr
Priority to CN201880067310.1A priority patent/CN111213347A/zh
Priority to KR1020207021521A priority patent/KR20200135766A/ko
Priority to JP2020541450A priority patent/JP7105897B6/ja
Priority to CN202010451636.3A priority patent/CN111641988B/zh
Priority to EP23192749.2A priority patent/EP4255102B1/fr
Priority to AU2018415016A priority patent/AU2018415016B2/en
Priority to EP18911661.9A priority patent/EP3716562B1/fr
Priority to MYPI2020003827A priority patent/MY208011A/en
Priority to PCT/CN2018/085860 priority patent/WO2019184051A1/fr
Publication of WO2019183903A1 publication Critical patent/WO2019183903A1/fr
Priority to IL276385A priority patent/IL276385B2/en
Priority to US16/996,766 priority patent/US11146926B2/en
Priority to CL2020002196A priority patent/CL2020002196A1/es
Anticipated expiration legal-status Critical
Priority to US17/477,876 priority patent/US11678156B2/en
Ceased legal-status Critical Current

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    • H04W4/30—Services specially adapted for particular environments, situations or purposes
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communications, and, more particularly, to a method and a terminal device for transmitting data.
  • Vehicle networking or Vehicle to Everything (V2X) communication system is a sidelink (SL) transmission technology based on Device to Device (D2D) communication, with traditional long-term evolution ( In the Long Term Evolution (LTE) system, the way in which the base station receives or transmits data is different.
  • the vehicle networking system adopts a terminal-to-terminal direct communication method, and thus has higher spectrum efficiency and lower transmission delay.
  • the transmission mechanism adopted by the data channel is more and more, for example, it may be a digital modulation mechanism, a rate matching mechanism, a repeated transmission mechanism, or a Transmit diversity (TxD), etc.
  • the digital modulation mechanism may include Four-phase phase shift keying (QPSK), 16 Quadrature Amplitude Modulation (QAM), and 64QAM, etc., which transmission mechanism is used by the terminal device to transmit data is a problem to be solved.
  • the embodiment of the present application provides a method and a terminal device for transmitting data, and determining a used transmission mechanism according to service information of data to be sent, so that the terminal device can send data by using a more matching transmission mechanism. Thereby improving the performance of data transmission.
  • a method for transmitting data is provided, the method being applied to a vehicle networking system, the method comprising: determining, by a terminal device, a service station according to service information of data to be transmitted at a first protocol layer The transmission mechanism of the transmitted data is mentioned.
  • the service information includes at least one of the following information: a service identifier, an Internet Protocol (IP) address, a service type, a service requirement, a frequency band information, a version information, and a full limit.
  • IP Internet Protocol
  • FQDN Fully Qualified Domain Name
  • Layer 2 address information For Mobile Communications Protocol (WLAN)
  • PPPP ProSe Per-Packet Priority
  • PPPR ProSe Per-Packet Reliability
  • the IP address can be a server IP address.
  • the method further includes: the terminal device acquiring the service information at a second protocol layer; the terminal device transmitting, at the second protocol layer, the first protocol layer Business information.
  • the terminal device acquires service information of the data to be sent in the second protocol layer, where the terminal device is in the second protocol layer according to the following. At least one information in the information, determining version information of the to-be-sent data: service identifier, network protocol IP address, service type, service requirement, frequency band information, fully qualified domain name FQDN, layer two address information, single packet priority PPPP The information and the single-packet reliability PPPR information, the version information is used to indicate a protocol version to which the service of the data to be sent belongs.
  • the method further includes: determining, by the terminal device, the version information of the to-be-sent data according to the at least one information at the first protocol layer, The version information is used to indicate a protocol version to which the service of the data to be sent belongs.
  • the determining, by the terminal device, the version information of the to-be-sent data according to the at least one information including: the terminal device according to the at least one information and the at least one information
  • the mapping relationship between the version information determines the version information of the to-be-sent data.
  • the mapping relationship is pre-existing in the terminal device, configured through a network device, or configured through a server.
  • the transmission mechanism includes at least one of a digital modulation mechanism, a rate matching mechanism, a repeated transmission mechanism, and a transmission diversity TxD.
  • the digital modulation mechanism includes one of two-phase phase shift keying BPSK, four-phase phase shift keying QPSK, 16 quadrature amplitude modulation QAM, 64QAM, and 256QAM.
  • the first protocol layer is an access layer
  • the second protocol layer is an application layer
  • a second aspect provides a method for transmitting data, where the method is applied to a vehicle networking system, the method includes: the terminal device acquiring service information of data to be sent; and the terminal device according to the service information, A transmission path for transmitting the to-be-sent data is determined from a plurality of transmission paths.
  • the multiple transmission paths include a cellular path and at least one side path, where the side path is a direct path between two terminal devices.
  • the service information includes at least one of the following information: a service identifier, a network protocol IP address, a service type, a service requirement, a frequency band information, a version information, a fully qualified domain name FQDN, and a layer 2 Address information, single-packet priority PPPP information, and single-packet reliability PPPR information.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a terminal device for performing the method in any of the above-mentioned second aspect or any possible implementation of the second aspect.
  • the terminal device comprises means for performing the method of any of the above-described second or second aspects of the second aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a computer storage medium for storing the method in any of the above possible implementations of the first aspect or the first aspect, or any possible implementation of the second or second aspect
  • Computer software instructions for use in the method of the present invention which comprise a program designed to perform the above aspects.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect, or the second Aspect or method of any alternative implementation of the second aspect.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic diagram of another application scenario of an embodiment of the present application.
  • FIG. 3 shows a schematic block diagram of a method for transmitting data in an embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of another method for transmitting data in an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a terminal device of an embodiment of the present application.
  • FIG. 6 shows another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 7 shows still another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 8 is still another schematic block diagram of a terminal device according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolved
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 and FIG. 2 are schematic diagrams of an application scenario of an embodiment of the present application.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The embodiment does not limit this.
  • the wireless communication system may further include other network entities such as a Mobile Management Entity (MME), a Serving Gateway (S-GW), and a Packet Data Network Gateway (P-GW).
  • MME Mobile Management Entity
  • S-GW Serving Gateway
  • P-GW Packet Data Network Gateway
  • the terminal device 20 and the terminal device 30 can communicate in a D2D communication mode.
  • the terminal device 20 and the terminal device 30 directly communicate through a D2D link, ie, a side link (Sidelink, SL).
  • a side link Sidelink, SL
  • the terminal device 20 and the terminal device 30 directly communicate via a side line.
  • the terminal device 20 and the terminal device 30 communicate by a side line, and the transmission resources thereof are allocated by the network device; in FIG. 2, the terminal device 20 and the terminal device 30 pass the side link. Communication, whose transmission resources are independently selected by the terminal device, does not require the network device to allocate transmission resources.
  • the D2D communication mode can be applied to vehicle to vehicle (V2V) communication or vehicle to Everything (V2X) communication.
  • V2X communication X can refer to any device with wireless receiving and transmitting capabilities, such as but not limited to slow moving wireless devices, fast moving in-vehicle devices, or network control nodes with wireless transmit and receive capabilities. It should be understood that the embodiment of the present application is mainly applied to the scenario of V2X communication, but can also be applied to any other D2D communication scenario, which is not limited in this embodiment of the present application.
  • a terminal device having a listening capability such as a Vehicle User Equipment (VUE) or a Pedestrian User Equipment (PUE), and no listening.
  • VUE Vehicle User Equipment
  • PUE Pedestrian User Equipment
  • Capable terminal equipment such as PUE.
  • VUE has higher processing power and is usually powered by the battery in the car, while PUE has lower processing power, and reducing power consumption is also a major factor that PUE needs to consider. Therefore, in the existing car network system, VUE is considered to have Full reception and listening capabilities; while PUE is considered to have partial or no reception and listening capabilities.
  • the resource may be selected by using a similar listening method as the VUE, and the available resources may be selected on the part of the resources that can be intercepted; if the PUE does not have the listening capability, the PUE is in the resource pool. Randomly select transmission resources.
  • transmission mode 3 (mode 3) and transmission mode 4 (mode 4).
  • the transmission resource of the terminal device using the transmission mode 3 is allocated by the base station, and the terminal device performs data transmission on the side line according to the resource allocated by the base station; the base station may allocate the resource for the single transmission to the terminal device, or may be the terminal.
  • the device allocates resources that are semi-statically transmitted. If the terminal device using the transmission mode 4 has the capability of listening, the data is transmitted by means of sensing and reservation. If the terminal device does not have the capability of listening, the transmission resource is randomly selected in the resource pool.
  • the terminal device with the interception capability acquires the available resource set by means of interception in the resource pool, and the terminal device randomly selects one resource from the set for data transmission. Since the service in the car network system has periodic characteristics, the terminal device usually adopts a semi-static transmission mode, that is, after the terminal device selects one transmission resource, the terminal device continuously uses the resource in multiple transmission cycles, thereby reducing the resource weight. The probability of selection and resource conflicts.
  • the terminal device carries the information for reserving the next transmission resource in the control information of the current transmission, so that the other terminal device can determine whether the resource is reserved and used by the terminal device by detecting the control information of the terminal device. Reduce the purpose of resource conflicts.
  • the transmission mechanism adopted by the data channel is more and more, for example, it may be a digital modulation mechanism, a rate matching mechanism, a repetitive transmission mechanism or a TxD mechanism, and the digital modulation mechanism may include QPSK, 16QAM, and 64QAM.
  • the transmission mechanism used by the terminal device to transmit data is a problem to be solved.
  • FIG. 3 shows a schematic block diagram of a method 100 for transmitting data in an embodiment of the present application. As shown in FIG. 3, the method 100 is applied to a car network system, and the method 100 includes some or all of the following contents:
  • the terminal device determines, according to the service information of the data to be sent, the transmission mechanism for transmitting the to-be-sent data.
  • the terminal devices in the Internet of Vehicles may generally include a context aware layer, a network access layer, a network control layer, and an application/service layer. Each layer has a corresponding relationship with the control device on the network side.
  • the terminal device may first obtain the service information of the data to be sent in the second protocol layer.
  • the terminal device may obtain the service information of the data to be sent from the application/service layer, where the service information may be everything.
  • Send information about the business to which the data belongs For example, it may be at least one of a service identifier, a network protocol IP address, a service type, a service requirement, a frequency band information, a version information, a fully qualified domain name FQDN, a layer 2 address information, a single packet priority PPPP information, and a single packet reliability PPPR information.
  • the terminal device may send the obtained service information of the to-be-sent data to the first protocol layer at the second protocol layer, and the terminal device may determine, according to the service information acquired at the second protocol layer, that the terminal device is configured to be used for transmission and to be sent.
  • the transmission mechanism of data For example, the terminal device may determine, at the access layer, a transmission mechanism for transmitting data to be transmitted according to the service information acquired at the application layer. After determining the transmission mechanism, the terminal device can use the transmission mechanism to transmit data.
  • the terminal device may obtain the service information of the to-be-sent data in the first protocol layer, and determine, according to the acquired service information, a transmission mechanism for transmitting the to-be-sent data.
  • the terminal device may obtain the service information of the to-be-sent data at the application layer, and determine, according to the service information, a transmission mechanism for transmitting the to-be-sent data.
  • the network device or the server may configure the mapping relationship between different service information and different transport mechanisms in advance. Or the mapping relationship can also be pre-stored inside the terminal device.
  • the voice service can correspond to BPSK, QPSK, and 16QAM
  • the video service can correspond to 16QAM, 64QAM, and 256QAM.
  • the terminal device determines that the service type of the data to be sent is a voice service
  • the terminal device can The transport mechanism used may be one of BPSK, QPSK, and 16QAM.
  • the transmission mechanism that the terminal device can use is one of 16QAM, 64QAM, and 256QAM.
  • the network device may not configure the mapping relationship between the service information and the transmission mechanism in advance.
  • the transmission mechanism may be directly selected by using one of the multiple transmission mechanisms. Taking the service type and the digital demodulation mechanism as an example, if the terminal device determines that the service type of the data to be transmitted is a voice service, the terminal device can perform all digital demodulation mechanisms such as BPSK, 2/ ⁇ -BPSK, QPSK, 16QAM, A transmission mechanism is selected between 64QAM and 256QAM. If the terminal device determines that the service type of the data to be transmitted is a video service, the same terminal device may select one of the above all digital demodulation mechanisms.
  • the transmission mechanism selected by the voice service may be the same as the transmission mechanism selected by the video service, or may be different.
  • the transmission mechanism is only described as an example of a digital modulation mechanism, and the transmission mechanism may also be the above enumerated rate matching mechanism, repeated transmission mechanism, and the like.
  • Service ID refers to the information used to identify the service. Different services can correspond to different identifiers. Similar to other identification information, it will not be described too much here.
  • IP address can be a number given to the terminal device on the network.
  • the IP address can be a 32-bit binary number, for example, 43.246.231.110.
  • the IP address can be the IP address of the server.
  • Type of business This is the type of business mentioned above.
  • the service type may be a video service, a voice service, or a short message service.
  • Business requirements can refer to the delay requirements, rate requirements, reliability requirements, etc. of different services.
  • the Ultra-reliable and Low Latency Communications (URLLC) service in 5G has higher latency requirements, while the Enhanced Mobile Broadband (EMBB) in 5G is delayed.
  • the requirements are relatively low.
  • Band information It can refer to the transmission band information of the service. Different services may be sent on different frequency bands.
  • FQDN information can refer to the host name plus the full path, all domain members in the sequence are listed in the full path.
  • Layer 2 can refer to the data link layer. For example, it may refer to a Media Access Control (MAC) layer, a Radio Link Control (RLC) layer, and a Packet Data Convergence Protocol (PDCP).
  • MAC Media Access Control
  • RLC Radio Link Control
  • PDCP Packet Data Convergence Protocol
  • Version information can refer to the protocol version of the service. For example, Rel-14 version, Rel-15 version, etc.
  • Rel-15 introduces some new services, such as autonomous driving services and vehicle formation services, than Rel-14.
  • the terminal device determines, at the second protocol layer, version information of the to-be-sent data according to at least one of the following information: a service identifier, Network protocol IP address, service type, service requirement, frequency band information, fully qualified domain name FQDN, layer 2 address information, single packet priority PPPP information, and single packet reliability PPPR information.
  • the version information is used to indicate the service of the data to be sent.
  • the terminal device may send the determined version information to the first protocol layer at the second protocol layer.
  • the terminal device may determine, according to the service information except the version information, the version of the service to be sent, for example, the Rel-14 version or the Rel-15 version, or For other protocol versions, the terminal device may send the version indication information to the first protocol layer at the second protocol layer, and the different versions may correspond to different transmission mechanisms, and the terminal device may determine the version indication information at the first protocol layer.
  • the terminal device may use the rate matching mechanism corresponding to Rel-14 to transmit data in the first protocol layer; if the second protocol layer Indicated to the first protocol layer as the version of Rel-15, then the terminal device can adopt the TXD mechanism of Rel-15 at the first protocol layer.
  • the terminal device may send, in the second protocol layer, at least one of the following information to the first protocol layer: a service identifier, a network protocol IP address, a service type, a service requirement, and a frequency band.
  • the information, the fully qualified domain name FQDN, the layer 2 address information, the single-packet priority PPPP information, and the single-packet reliability PPPR information the method further includes: determining, by the terminal device, the waiting at the first protocol layer according to the at least one information Sending version information of the data, the version information is used to indicate a protocol version to which the service of the data to be sent belongs.
  • the terminal device may send the foregoing service information except the version information to the first protocol layer, and then determine the version information according to the service information by the first protocol layer, so that the terminal device may determine the version information.
  • the transport mechanism corresponding to the version information.
  • the mapping between the other service information and the version information may be configured in advance by the network device or the server, or the mapping relationship may be pre-stored in the terminal device.
  • the mapping relationship may also be set based on the preferences of the terminal device.
  • the method for transmitting data in the embodiment of the present application enables the terminal device to transmit data using a more matching transmission mechanism, thereby improving the performance of data transmission.
  • FIG. 4 shows a schematic block diagram of a method 200 for transmitting data in an embodiment of the present application. As shown in FIG. 4, the method 200 is applied to a vehicle networking system, and the method 200 includes some or all of the following contents:
  • the terminal device acquires service information of data to be sent.
  • the terminal device determines, according to the service information, a transmission path for transmitting the to-be-sent data from the multiple transmission paths.
  • the service information of the data to be sent in the embodiment is similar to the service information of the data to be sent in the method 100, and the first protocol layer and the second protocol layer are the same as above, and are not described herein again for brevity.
  • the corresponding air interface is divided into two types.
  • One is the Uu interface, which requires the network device as the control center.
  • the vehicle and the infrastructure and other vehicles need to communicate by transferring the data on the network device.
  • the other is the PC5 interface. It can realize the direct transmission of data between vehicles.
  • the Uu interface of the cellular network can provide services to achieve large bandwidth and large coverage communication, and can also provide services through the PC5 interface to implement the vehicle.
  • Low-latency, high-reliability direct communication with surrounding environment nodes; the other is independent of the working environment of the cellular network, providing car-networking road services through the PC5 interface in areas where there is no network deployment, to meet the driving safety requirements.
  • data transmission can be flexibly and seamlessly switched between the Uu interface and the PC5 interface.
  • the cellular path may be included, or multiple side paths may be included. That is to say, the terminal device can select the transmission path in the cellular path and the side path according to the service information, or select the transmission path among the plurality of side path paths.
  • the embodiment of the present application is not limited.
  • the network device or the server may configure the mapping relationship between different service information and different transmission paths in advance. Or the mapping relationship can also be pre-stored inside the terminal device. Taking the service type and the transmission path as an example, the voice service and the video service can be mapped to the cellular path, and the short message service is mapped to the side path. If the terminal device determines that the service type of the data to be sent is a voice service, the transmission path that the terminal device can use may be a cellular path. If the terminal device determines that the service type of the data to be sent is a short message service, the transmission path that the terminal device can use may be a side path.
  • the transmission path based on the version information.
  • the service of Rel-14 adopts a cellular path
  • the service of Rel-15 adopts a side path.
  • the method for transmitting data in the embodiment of the present application enables the terminal device to transmit data using a more matching transmission path, thereby improving the performance of data transmission.
  • FIG. 5 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application. As shown in FIG. 5, the terminal device 300 is applied to a car network system, and the terminal device 300 includes:
  • the determining unit 310 is configured to determine, according to the service information of the data to be sent, the transmission mechanism for transmitting the to-be-sent data.
  • the terminal device in the embodiment of the present application can transmit data using a more matching transmission mechanism, thereby improving the performance of data transmission.
  • the service information includes at least one of the following information: a service identifier, a network protocol IP address, a service type, a service requirement, a frequency band information, a version information, a fully qualified domain name FQDN, and a layer. Two address information, single packet priority PPPP information, and single packet reliability PPPR information.
  • the terminal device further includes:
  • An obtaining unit configured to acquire service information of data to be sent at a second protocol layer
  • a sending unit configured to send the service information to the first protocol layer at the second protocol layer.
  • the acquiring unit is specifically configured to:
  • version information of the to-be-sent data is used to indicate the protocol version to which the service of the data to be sent belongs.
  • the service information is at least one of the following information: a service identifier, a network protocol IP address, a service type, a service requirement, a frequency band information, a fully qualified domain name FQDN, and a layer 2 address.
  • Information, single-packet priority PPPP information, and single-package reliability PPPR information is also used to:
  • the determining unit is specifically configured to:
  • the mapping relationship is pre-existing in the terminal device, configured through a network device, or configured through a server.
  • the transmission mechanism includes at least one of a digital modulation mechanism, a rate matching mechanism, a repeated transmission mechanism, and a transmission diversity TxD.
  • the digital modulation mechanism includes one of two-phase phase shift keying BPSK, four-phase phase shift keying QPSK, 16 orthogonal amplitude modulation QAM, 64QAM, and 256QAM.
  • the first protocol layer is an access layer
  • the second protocol layer is an application layer
  • the IP address is a server IP address.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 300 respectively implement the terminal in the method of FIG.
  • the corresponding process of the device is not described here for brevity.
  • FIG. 6 shows a schematic block diagram of a terminal device 400 of an embodiment of the present application. As shown in FIG. 6, the terminal device 400 is applied to a car network system, and the terminal device 400 includes:
  • the obtaining unit 410 is configured to obtain service information of data to be sent
  • the determining unit 420 is configured to determine, according to the service information, a transmission path for transmitting the to-be-sent data from the plurality of transmission paths.
  • the terminal device in the embodiment of the present application can transmit data using a more matching transmission path, thereby improving the performance of data transmission.
  • the multiple transmission paths include a cellular path and at least one side path, where the side path is a direct connection path between two terminal devices.
  • the service information includes at least one of the following information: a service identifier, a network protocol IP address, a service type, a service requirement, a frequency band information, a version information, a fully qualified domain name FQDN, and a layer. Two address information, single packet priority PPPP information, and single packet reliability PPPR information.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 400 respectively implement the terminal in the method of FIG. 4
  • the corresponding process of the device is not described here for brevity.
  • the embodiment of the present application further provides a terminal device 500, which may be the terminal device 300 in FIG. 5, which can be used to execute the content of the terminal device corresponding to the method 100 in FIG. .
  • the terminal device 500 includes an input interface 510, an output interface 520, a processor 530, and a memory 540.
  • the input interface 510, the output interface 520, the processor 530, and the memory 540 can be connected by a bus system.
  • the memory 540 is for storing programs, instructions or code.
  • the processor 530 is configured to execute a program, an instruction or a code in the memory 540 to control the input interface 510 to receive a signal, control the output interface 520 to send a signal, and complete the operations in the foregoing method embodiments.
  • the terminal device in the embodiment of the present application can transmit data using a more matching transmission mechanism, thereby improving the performance of data transmission.
  • the processor 530 may be a central processing unit (CPU), and the processor 530 may also be other general-purpose processors, digital signal processors, application specific integrated circuits, and ready-made Program gate arrays or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and more.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 540 can include read only memory and random access memory and provides instructions and data to the processor 530. A portion of the memory 540 may also include a non-volatile random access memory. For example, the memory 540 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 530 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 540, and the processor 530 reads the information in the memory 540 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the sending unit in the terminal device 300 can be implemented by the output interface 520 in FIG. 7, and the obtaining unit and the determining unit in the terminal device 300 can be implemented by the processor 530 in FIG.
  • the embodiment of the present application further provides a terminal device 600, which may be the terminal device 400 in FIG. 6, which can be used to execute the content of the terminal device corresponding to the method 200 in FIG. .
  • the terminal device 600 includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected through a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the terminal device in the embodiment of the present application can transmit data using a more matching transmission path, thereby improving performance of data transmission.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be other general-purpose processors, digital signal processors, application specific integrated circuits, and ready-made Program gate arrays or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and more.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the obtaining unit and the determining unit in the terminal device 400 can be implemented by the processor 630 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

La présente invention concerne, selon un mode de réalisation, un procédé d'émission de données et un dispositif terminal. Le procédé est appliqué dans un système d'Internet des Véhicules. Le procédé comprend les étapes suivantes : un dispositif terminal détermine, au niveau d'une première couche de protocole, et en fonction d'informations de service de données à émettre, un mécanisme d'émission pour émettre les données. Le procédé et le dispositif terminal décrits dans le mode de réalisation de la présente invention facilitent l'augmentation des performances d'émission de signal.
PCT/CN2018/081182 2018-03-29 2018-03-29 Procédé d'émission de données et dispositif terminal Ceased WO2019183903A1 (fr)

Priority Applications (17)

Application Number Priority Date Filing Date Title
PCT/CN2018/081182 WO2019183903A1 (fr) 2018-03-29 2018-03-29 Procédé d'émission de données et dispositif terminal
AU2018415016A AU2018415016B2 (en) 2018-03-29 2018-05-07 Method and terminal device for data transmission
EP18911661.9A EP3716562B1 (fr) 2018-03-29 2018-05-07 Procédé et dispositif terminal pour transmission de données
EP22156932.0A EP4021081B1 (fr) 2018-03-29 2018-05-07 Procédé et dispositif terminal de transmission de données
CN201880067310.1A CN111213347A (zh) 2018-03-29 2018-05-07 用于传输数据的方法和终端设备
KR1020207021521A KR20200135766A (ko) 2018-03-29 2018-05-07 데이터 전송 방법 및 단말 기기
JP2020541450A JP7105897B6 (ja) 2018-03-29 2018-05-07 データ伝送方法及び端末装置
CN202010451636.3A CN111641988B (zh) 2018-03-29 2018-05-07 用于传输数据的方法和终端设备
EP23192749.2A EP4255102B1 (fr) 2018-03-29 2018-05-07 Procédé et dispositif terminal de transmission de données
ES18911661T ES2914365T3 (es) 2018-03-29 2018-05-07 Método y dispositivo terminal para transmisión de datos
PH1/2020/551220A PH12020551220A1 (en) 2018-03-29 2018-05-07 Method and terminal device for data transmission
MYPI2020003827A MY208011A (en) 2018-03-29 2018-05-07 Method and terminal device for data transmission
PCT/CN2018/085860 WO2019184051A1 (fr) 2018-03-29 2018-05-07 Procédé et dispositif terminal pour transmission de données
IL276385A IL276385B2 (en) 2018-03-29 2020-07-29 Method and terminal device for data transmission
US16/996,766 US11146926B2 (en) 2018-03-29 2020-08-18 Method and terminal device for data transmission
CL2020002196A CL2020002196A1 (es) 2018-03-29 2020-08-26 Método y dispositivo terminal para la transmisión de datos
US17/477,876 US11678156B2 (en) 2018-03-29 2021-09-17 Method and terminal device for data transmission

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JP (1) JP7105897B6 (fr)
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CL (1) CL2020002196A1 (fr)
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